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rMQR codes -- same fuckup as the square QR codes: the alnum charset is uppercase only! (en.wikipedia.org)
submitted 3 weeks ago by evenwicht@lemmy.sdf.org to c/rant@lemmy.sdf.org
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cross-posted from: https://lemmy.sdf.org/post/59270732

cross-posted from: https://lemmy.sdf.org/post/59270562

TIL “Rectangular Micro QR” codes exist (since 2022). IMO this will drastically improve our docs that use QR codes.

The standard is published here:

https://cdn.standards.iteh.ai/samples/77404/e103bf2d1f0d4162b34ca493efdaf9c4/ISO-IEC-23941-2022.pdf

The cons:

  • no LaTeX pkg for rMQR
  • no Debian pkg for rMQR (qrencode can do micro QR but not rMQR; OTOH, there is at least something - but non-Debian and only for obscure pkg managers)
  • alphanumeric charset all uppercase - bummer!

Sadly, they fucked up again on this new standard by making all characters uppercase in the alphanumeric dataset. WTF? I have to say that’s even more mildlyinfuriating because the square QR codes have the same shitty limitation. Why didn’t they think this through? It would have been a good way to have small QRs that could be either all lowercase or all uppercase.

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this post was submitted on 19 Sep 2026
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